How to Use "smug" with Example Sentences

1. In 1887 physicists were feeling pretty smug about their subject .
2. Obviously I react badly to the smug and the sensible .
3. All this explains why german leaders can sound a little smug these days .
4. So far , it might be thought by smug westerners , so depressing .
5. Those who run one-year mba programmes may be feeling smug at this point .